| Step | Tool | Reason | |------|------|--------| | Static analysis | , Detect It Easy (DIE) – to verify there is no packer | Quick sanity check | | Disassembly / decompilation | Ghidra 10.3 , IDA Pro 7.6 (Free) | To view the high‑level logic | | Debugging | x64dbg (or WinDbg ) | Follow the flow, watch registers | | Runtime tracing | Procmon – optional, to confirm no file/registry activity | Not needed for this binary, but useful for other challenges | | Scripted brute‑force | Python 3 (ctypes + subprocess) | To test candidate keys automatically after we reverse the algorithm |

Possible steps: